42313131

素因数分解:

$3^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1709}}^1$

素因数の和:1856

約数の個数: 32

約数和(自身を含む): 72230400

約数和(自身を除く): 29917269

約数列:

[1, 3, 7, 9, 21, 27, 63, 131, 189, 393, 917, 1179, 1709, 2751, 3537, 5127, 8253, 11963, 15381, 24759, 35889, 46143, 107667, 223879, 323001, 671637, 1567153, 2014911, 4701459, 6044733, 14104377, 42313131]

約数ペア:

[(1, 42313131), (3, 14104377), (7, 6044733), (9, 4701459), (21, 2014911), (27, 1567153), (63, 671637), (131, 323001), (189, 223879), (393, 107667), (917, 46143), (1179, 35889), (1709, 24759), (2751, 15381), (3537, 11963), (5127, 8253)]